[hpsdr] Hermes transmit baseband frequency reversal ?

[Erik Anderson]

Is this documented in the protocol spec at all? It's been a couple years
since I've looked at it, but swapping the bytes containing the I and Q
registers in the outgoing stream would (hopefully) be rather obvious.

Erik KM2G


On Thu, Mar 13, 2014 at 4:27 AM, Phil Harman <phil at pharman.org> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
>
>   Hi Tom,
>
> It's not a bug, its a feature.  In order to get the correct sideband out
> of the CORDIC used in Penelope many years ago I needed to swap the I&Q
> inputs.  I guess PowerSDR had them reversed since day one and its been
> carried forward ever since.
>
> Not game to change at this late stage.....
>
> 73 Phil....VK6PH
>
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